GCHQ: Nobody got crypto Christmas puzzle correct | WIRED UK
GCHQ Christmas Puzzle Solutions Part 1 — alaricstephen.com
GCHQ Christmas Puzzle solution: How to solve the brainteaser - and the four further parts of the puzzle it unlocks
Here's who came closest to solving GCHQ's 'fiendishly difficult' Christmas puzzle | The Independent | The Independent
GCHQ sets Christmas challenge with a twist - can you solve the puzzles?
Nobody has been able to answer GCHQ's Christmas puzzle | WIRED UK
GCHQ's cryptic Christmas card will help hone your code-breaking skills
GCHQ reveals answers and winners of Christmas puzzle | The Week UK
GCHQ's Fiendish Christmas Puzzle Book for 2016 – A licence to puzzle | Intervirals
GCHQ sends out Christmas card featuring challenging festive brainteasers – can you solve the puzzles? | The Sun
Christmas puzzle from GCHQ released - can you break the code and decipher the message? - Cambridgeshire Live
Nobody has been able to answer GCHQ's Christmas puzzle | WIRED UK
GCHQ sets its 2020 Christmas card challenge - GCHQ.GOV.UK
Can you crack the GCHQ Christmas card code? | The Week UK
GCHQ unveils annual Christmas card puzzle - can you solve it? | The Week UK
Britain's GCHQ spy agency releases Christmas puzzle for kids - CNN
Can you solve the GCHQ Christmas card challenge? | ITV News
GCHQ sets 'fiendish' Christmas brain-teaser for the spies of tomorrow... so can YOU solve it? | Daily Mail Online
GCHQ Christmas Puzzle — alaricstephen.com
GCHQ on Twitter: "Here's the first of three festive puzzles we'll be setting you between now and Christmas Day! We'll have the answers after # Christmas. Check back later this week for the
GCHQ Christmas Puzzle solution: How to solve the brainteaser - and the four further parts of the puzzle it unlocks
GCHQ releases answers to Christmas puzzle... which NOBODY was able to solve | London Evening Standard | Evening Standard
GCHQ Christmas card: UK spy agency challenges 'wise men and women' to solve puzzle | CNN
